多酚氧化酶催化漆酚的氧化聚合反应研究

›› 2003, Vol. 23 ›› Issue (3): 53-55.

• 研究报告 • Previous Articles Next Articles

STUDY ON OXYPOLYMERIZATION OF URUSHIOL CATALYZED BY POLYPHENOL OXIDASE

LEI Fu-hou^1,2, LAN Hong-yun¹, AN Xin-nan²

1. Department of Chemistry, Guangxi University for Nationalities, Nanning 530006, China;2. College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China

Received:2002-10-15 Revised:1900-01-01 Online:2003-09-30 Published:2003-09-30

Abstract

Abstract: Oxypolymerization of urushiol in the air with polyphenol oxidase(PPO) as catalyst, acetone or dioxane as dissolvent was studied.The reaction system was determined by UV/VIS.Results showed three absorption peaks at 409, 490 and 653 nm respectively.The intensity of three absorption peaks changed when the reaction was catalyzed by PPO.Absorption peaks at 218 and 228 nm, from conjugates double bond and triene also changed.The reaction of urushiol catalyzed by PPO was similar to that of laccase .Probable mechanism of the reaction was put forward.

Key words: polyphenol oxidase, urushiol, oxypolymerization

CLC Number:

TQ633

LEI Fu-hou;LAN Hong-yun;AN Xin-nan. STUDY ON OXYPOLYMERIZATION OF URUSHIOL CATALYZED BY POLYPHENOL OXIDASE[J]. , 2003, 23(3): 53-55.

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STUDY ON OXYPOLYMERIZATION OF URUSHIOL CATALYZED BY POLYPHENOL OXIDASE

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